sty: Remove unused global variables

Author: effigies

nitransforms/conftest.py

@@ -6,8 +6,6 @@
 import pytest
 import tempfile
 
-_data = None
-_brainmask = None
 _testdir = Path(os.getenv("TEST_DATA_HOME", "~/.nitransforms/testdata")).expanduser()
 _datadir = Path(__file__).parent / "tests" / "data"
 
@@ -48,22 +46,13 @@ def testdata_path():
 @pytest.fixture
 def get_testdata():
     """Generate data in the requested orientation."""
-    global _data
-
-    if _data is not None:
-        return _data
 
     return _reorient(_testdir / "someones_anatomy.nii.gz")
 
 
 @pytest.fixture
 def get_testmask():
     """Generate data in the requested orientation."""
-    global _brainmask
-
-    if _brainmask is not None:
-        return _brainmask
-
     return _reorient(_testdir / "someones_anatomy_brainmask.nii.gz")